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From: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Date: Tue, 17 Feb 2015 23:54:35 +0100
Message-ID: <CAPybu_2e7P0O+x6Q37crg-T=y2vb05HuC3aE9NwPVjcP3TDQzA@mail.gmail.com>
Subject: Re: [PATCH] led/led-class: Handle LEDs with the same name
To: Bryan Wu <cooloney@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>,
        Linux LED Subsystem <linux-leds@vger.kernel.org>,
        lkml <linux-kernel@vger.kernel.org>
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Hello Bryan

On Tue, Feb 17, 2015 at 11:34 PM, Bryan Wu <cooloney@gmail.com> wrote:
>
> Can you show me your device tree code for overlaying describing a camera?
>

The camera is composed by fpga modules. The fpga is attached via pcie
to the host.

The whole dt would be too long.

Here you can see the relevant parts

&axi1 {


packer_0: packer_0{
#address-cells = <1>;
#size-cells = <1>;
    compatible = "qtec,axi_matrix_packer-1.00.a";
reg = < 0x30060000 0x10000 >;
qtec,serial_number = "Invalid Head Serial Number";
qtec,bitstream_version = < 0 >;
qtec,head_i2c_address = < 0 >;
qtec,cdma = <&cdma_0>;
qtec,desc_mem= <&cdma_desc_mem>;
qtec,pcie_bridge= <&pcie_bridge_0>;
qtec,aperture-addr= < 0  4 >;
qtec,circular_buffer= <&video_mem>;
qtec,white_balance= <&white_0>;
qtec,sensor = <&ccd_fg_0>;
qtec,pll = < &pll_0 >;
qtec,xform = <&xform_0>;
qtec,testgen = <&testgen_0>;
qtec,encoder = <&encoder_0>;
interrupt-parent = <&xps_intc_0>;
interrupts = < 5 2 >;
};

gpio_0: gpio_0 {
#gpio-cells = <2>;
compatible = "xlnx,xps-gpio-1.00.a";
reg = < 0x30040000 010000 >;
xlnx,dout-default = < 0xffffffff >;
xlnx,tri-default =  < 0xfffffff8 >;
xlnx,gpio-width = < 5 >;
};


/*Leds*/
leds {
reg = < 0x30040000 010000 >;
compatible = "gpio-leds";
red {
gpios = <&gpio_0 0 0>;
linux,default-trigger = "drop-qt5023_video0";
};
yellow {
gpios = <&gpio_0 1 0>;
linux,default-trigger = "packer-qt5023_video0";
};
green {
gpios = <&gpio_0 2 0>;
linux,default-trigger = "heartbeat";
};
};


If there are multiple cameras, then there will be multiple red, yellow
and green leds, throwing out the error I copied earlier.


Thanks!

-- 
Ricardo Ribalda
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